isisd/isis_spf.h

   1 /*
   2  * IS-IS Rout(e)ing protocol - isis_spf.h
   3  *                             IS-IS Shortest Path First algorithm
   4  *
   5  * Copyright (C) 2001,2002   Sampo Saaristo
   6  *                           Tampere University of Technology
   7  *                           Institute of Communications Engineering
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public Licenseas published by the Free
  11  * Software Foundation; either version 2 of the License, or (at your option)
  12  * any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,but WITHOUT
  15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  17  * more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; see the file COPYING; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  22  */
  23
  24 #ifndef _ZEBRA_ISIS_SPF_H
  25 #define _ZEBRA_ISIS_SPF_H
  26
  27 struct isis_spftree;
  28
  29 struct isis_spftree *isis_spftree_new(struct isis_area *area);
  30 void isis_spf_invalidate_routes(struct isis_spftree *tree);
  31 void isis_spf_verify_routes(struct isis_area *area,
  32                             struct isis_spftree **trees);
  33 void isis_spftree_del(struct isis_spftree *spftree);
  34 void spftree_area_init(struct isis_area *area);
  35 void spftree_area_del(struct isis_area *area);
  36 void spftree_area_adj_del(struct isis_area *area, struct isis_adjacency *adj);
  37 #define isis_spf_schedule(area, level) \
  38         _isis_spf_schedule((area), (level), __func__, \
  39                            __FILE__, __LINE__)
  40 int _isis_spf_schedule(struct isis_area *area, int level,
  41                        const char *func, const char *file, int line);
  42 void isis_spf_cmds_init(void);
  43 void isis_spf_print(struct isis_spftree *spftree, struct vty *vty);
  44 struct isis_spftree *isis_run_hopcount_spf(struct isis_area *area,
  45                                            uint8_t *sysid,
  46                                            struct isis_spftree *spftree);
  47 #endif /* _ZEBRA_ISIS_SPF_H */